package Homework;

public class BookTest {
    public static void main(String[] args) {
        Book book = new Book();

        String info = book.getBookInfo();



        String bookNameSetBefore = book.getBookName();
        System.out.println("_____________");


        book.setBookName("桐哥最帅");

        String bookNameSetAfter = book.getBookName();
        System.out.println(bookNameSetAfter);
        System.out.println("_____________");
        book.setPrice(499.99);
        book.setAuthor("666");
        book.setPublisher("777");


        System.out.println(book.getBookInfo());

    }
    }
